If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Scientists are now able to grow 'beating' heart tissue in a lab!
162
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One third of the electricity produced on earth is used to power electric light bulbs!
75
4.5 pounds of sunlight strike the Earth each day.
27
According to studies, men change their minds two to three times more often than women.
72